safekeeping

safe +‎ keeping

safekeeping (usually uncountable, plural safekeepings)

1. the act of keeping something safe; protection from harm, damage, loss, or theft
2. the storage of assets in a protected area
3. the responsibility of a guardian
4. (US) not returning checks; a system wherein banks keep checks (cheques) that people write, rather than returning them to the account holder with their monthly statement.